This is the 612th most frequent Thai word.
สาย
The Thai word "สาย" can mean "line," "wire," "cable," "route," "belt," "late," or "gentle," depending on context.
สาย in this context means 'line' or 'streak', referring to the falling rain.
สายฝนตกลงมาในตอนบ่าย
The rain falls in the afternoon.
สาย here refers to a 'strap' or 'band', in relation to a watch accessory.
ฉันซื้อนาฬิกาสายทองคำ
I bought a gold wristwatch band.
สาย represents 'late', indicating someone arriving after the planned time.